| abstract |
A host control circuit of a photovoltaic module switch-off device belongs to the technical field of photovoltaic modules, and in particular relates to a host control circuit of a photovoltaic module switch-off device. The invention provides a host control circuit of a photovoltaic component switch-off device with good use effect. The host control circuit of the photovoltaic module shutdown device of the invention includes a constant current part, a relay output part and a triode control part, and is characterized in that the signal transmission port of the main control part is connected with the signal transmission port of the carrier communication part, and the control signal output of the main control part The ports are respectively connected with the control signal input port of the constant current part, the control signal input port of the relay output part, and the control signal input port of the triode control part. |